Quantity: Pack of 2 Tube Size: 15 mL Tube Size: 50 mL Well Diameter: 17 mm Well Diameter: 29 mm Categories: Multi-Tube Racks, Tube Racks & Storage Description Collapse for compact storage and “pop-up” for quick use Designed to save space! Easy to open, holds 15 and 50 mL tubes in one rack Easy to close, stackable for compact storage Features alphanumeric well identification for quick retrieval of samples Made from polypropylene Comes in packs of 2 Each rack holds 15 and 50 mL tubes simultaneously Tube Size Wells Well Diameter Dimensions Expanded Dimensions Collapsed 15 mL 21 17 mm 10 x 5.4 x 2.8 in 10 x 5.4 x 0.8 in